* src/cmath.cc: Remove.
* src/Makefile.am (c_base_headers): Add bits/cmath.tcc.
(sources): Remove cmath.cc
* src/Makefile.in: Regenerate.
* include/c/bits/std_cmath.h (__cmath_power<>): Declare.
(__cmath_abs<>): New function.
(abs, fabs): Use __cmath_abs when no direct support is available.
(__pow_helper<>): New function.
(pow): Define here. Use __pow_helper<>.
* include/c/bits/cmath.tcc: New file.
From-SVN: r37901
